Introducing the Copper Vacuum Thermos by Yongkang Minjue Commodity Co., Ltd., the leading supplier and manufacturer of high-quality thermos in China. This innovative product is designed to keep your drinks hot or cold for long hours, making it an ideal companion for any outdoor adventure or daily routine. Crafted with premium grade 18/8 stainless steel, the Copper Vacuum Thermos features a double-walled construction with a copper coating on the inner wall. This unique design creates a vacuum seal that ensures your drinks stay at their optimal temperature for up to 12 hours! This thermos is also leak-proof, rust-resistant, and easy to clean. Available in a variety of vibrant colors and sizes, the Copper Vacuum Thermos is suitable for any occasion. Whether you are hiking, camping, or commuting to work, this thermos is the perfect choice to keep you hydrated throughout the day. In conclusion, if you are looking for a durable and reliable thermos that keeps your drinks hot or cold for longer, Yongkang Minjue Commodity Co., Ltd. is the factory and supplier to trust. Purchase your Copper Vacuum Thermos now to experience the best of both worlds!